8380660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^2$

素因数の和:340

約数の個数: 36

約数和(自身を含む): 18754092

約数和(自身を除く): 10373432

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 157, 170, 314, 340, 628, 785, 1570, 2669, 3140, 5338, 10676, 13345, 24649, 26690, 49298, 53380, 98596, 123245, 246490, 419033, 492980, 838066, 1676132, 2095165, 4190330, 8380660]

約数ペア:

[(1, 8380660), (2, 4190330), (4, 2095165), (5, 1676132), (10, 838066), (17, 492980), (20, 419033), (34, 246490), (68, 123245), (85, 98596), (157, 53380), (170, 49298), (314, 26690), (340, 24649), (628, 13345), (785, 10676), (1570, 5338), (2669, 3140)]